25480161

素因数分解:

$3^2\times 7^1\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{643}}^1$

素因数の和:710

約数の個数: 48

約数和(自身を含む): 45811584

約数和(自身を除く): 20331423

約数列:

[1, 3, 7, 9, 17, 21, 37, 51, 63, 111, 119, 153, 259, 333, 357, 629, 643, 777, 1071, 1887, 1929, 2331, 4403, 4501, 5661, 5787, 10931, 13209, 13503, 23791, 32793, 39627, 40509, 71373, 76517, 98379, 166537, 214119, 229551, 404447, 499611, 688653, 1213341, 1498833, 2831129, 3640023, 8493387, 25480161]

約数ペア:

[(1, 25480161), (3, 8493387), (7, 3640023), (9, 2831129), (17, 1498833), (21, 1213341), (37, 688653), (51, 499611), (63, 404447), (111, 229551), (119, 214119), (153, 166537), (259, 98379), (333, 76517), (357, 71373), (629, 40509), (643, 39627), (777, 32793), (1071, 23791), (1887, 13503), (1929, 13209), (2331, 10931), (4403, 5787), (4501, 5661)]